n: 30 m: 104 packed: 10 density: 0 nodes: 0 solveTime: 120 buildTime: 0 solved: true
{0,19,20}
{1,4,11}
{2,7,13}
{3,9,12}
{5,24,26}
{6,21,22}
{8,14,18}
{10,28,29}
{15,25,27}
{16,17,23}